Trane PTAC-SVX01C-EN manual Installation, Table, Wiring Voltage

Installation

Note: If using a third party thermostat to control the unit, the thermostat must have a clearly marked OFF state or position.

Note: It is important to make sure that the control board’s fuse is functioning. The specs for the control board fuse are:

5x20mm, 250V, 315mA, fast acting. For more inormation on a blown fuse on the control board, check the Troubleshooting section of this document.

Table 6. Maximum wire length for front desk switch and remote control connections

		Wire
	Specification
External Interface	Size	Length
	#22	100 ft.
Thermostat	#20	200 ft
	#18	300 ft.
Energy mgmt system	#20	900 ft.
	#18	1500 ft.
Remote fan	#20	60 ft.
	#18	66 ft.
Display module	#20	100 ft.
	#18	120 ft.

Table 7.	Wiring Voltage
			Voltage at terminal					Corresponding
	Unit	Mode						Normal
			GH	GL	W	Y	O	Operation
		High Heat Pump	24	0	0	24	0	Heat
		High Auxiliary Heat	24	0	24	0	X	Heat
		Low Auxiliary Heat	0	24	24	0	X	Heat
PTEE Air Conditioner
		High Cooling	24	0	0	24	X	Cool
(Auxiliary is Electric,
		Low Cooling	0	24	0	24	X	Cool
Hot Water, or Steam
		High Fan	24	0	0	0	X	Fan Only
		Low Fan	0	24	0	0	X	Fan Only
		Off	0	0	0	0	X	Off – no capacity

Notes: In the event that none of the combinations listed in the table above is present, the input will be deemed invalid and all heating, cooling, and fan operation will be disabled.

Table 7.	Wiring Voltage
			Voltage at terminal					Corresponding
	Unit	Mode						Normal
			GH	GL	W	Y	O	Operation
		High Heat Pump	24	0	0	24	0	Heat
		Low Heat Pump	0	24	0	24	0	Heat
		High Emgcy Heat	24	0	24	0	0	Heat
			24	0	24	24	0	Electric Heat Only
PTHE Heat Pump		Low Emgcy Heat	0	24	24	0	0	Heat
Auxiliary is Electric
			0	24	24	24	0	Electric Heat Only
only
		High Cooling	24	0	0	24	24	Cool
		Low Cooling	0	24	0	24	24	Cool
		High Fan	24	0	0	0	0	Fan Only
		Low Fan	0	24	0	0	0	Fan Only
		Off	0	0	0	0	0	Off – no capacity

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